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Finding the Fourth Proportional to 352,264.66, 486,127.98 and 207,031.44

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Solution

The fourth proportional to 352,264.66, 486,127.98 and 207,031.44 is: 285,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,264.66 : 486,127.98 = 207,031.44 : x
  2. Step 2: Convert to fraction form
    352,264.66/486,127.98 = 207,031.44/x
  3. Step 3: Cross multiply
    352,264.66x = 486,127.98 × 207,031.44
  4. Step 4: Simplify right side
    352,264.66x = 100,643,775,723.69
  5. Step 5: Solve for x
    x = 100,643,775,723.69/352,264.66
  6. Step 6: Final answer
    x = 285,705.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.